Add missing _parent_ on a fields depends

Rename field.

animal.py

@@ -980,7 +980,7 @@ class FemaleCycle(ModelSQL, ModelView):
     def default_state():
         return 'unmated'
 
-    @fields.depends('animal', 'ordination_date')
+    @fields.depends('_parent_animal.id', 'animal', 'ordination_date')
     def on_change_ordination_date(self):
         if not self.ordination_date or not self.animal:
             return

events/abstract_event.py

@@ -163,7 +163,7 @@ class AbstractEvent(ModelSQL, ModelView, Workflow):
         raise NotImplementedError(
             "Please Implement valid_animal_types() method")
 
-    @fields.depends('animal_type', 'animal')
+    @fields.depends('animal_type', 'animal', '_parent_animal.farm')
     def on_change_animal(self):
         if (self.animal_type == 'group' or not self.animal or
                 not self.animal.farm):

events/feed_event.py

@@ -80,7 +80,7 @@ class FeedEvent(FeedEventMixin, ModelSQL, ModelView, Workflow):
         if not self.feed_location or not self.feed_location.current_lot:
             self.feed_product = None
             self.feed_lot = None
-            self.feed_uom = None
+            self.uom = None
             return
         self.feed_product = self.feed_location.current_lot.product
         self.feed_lot = self.feed_location.current_lot

events/semen_extraction_event.py

@@ -570,18 +570,18 @@ class SemenExtractionDose(ModelSQL, ModelView):
         return "#%d (%s)" % (self.sequence,
             self.lot and self.lot.rec_name or self.bom.rec_name)
 
-    @fields.depends('event')
+    @fields.depends('event', '_parent_event.specie')
     def on_change_with_specie(self, name=None):
         return self.event and self.event.specie.id or None
 
     def get_semen_unit_digits(self, name):
         return self.event and self.event.formula_unit_digits
 
-    @fields.depends('event')
+    @fields.depends('event', '_parent_event.state')
     def on_change_with_state(self, name=None):
         return self.event and self.event.state or 'draft'
 
-    @fields.depends('event', 'bom', 'quantity')
+    @fields.depends('_parent_event.specie' ,'event', 'bom', 'quantity')
     def on_change_with_semen_qty(self, name=None):
         Uom = Pool().get('product.uom')
         if not self.event or not self.bom or not self.quantity: